Carl E. Olson is the editor of Envoy magazine. Raised in a Fundamentalist home, he attended an Evangelical Bible college. Carl entered the Catholic Church in 1997 and holds an MTS from the University of Dallas. A well-respected author, he has written for First Things, This Rock, Envoy, Crisis, National Review Online, Our Sunday Visitor, and National Catholic Register. His bestselling book, Will Catholic Be "Left Behind"? (Ignatius, 2003) was selected by the Associated Press as one of the best religious titles of 2003. Carl lives with his wife and daughter in Eugene, Oregon.

Sandra Miesel holds masters’ degrees in biochemistry and medieval history from the University of Illinois. Since 1983, she has written hundreds of articles for the Catholic press, chiefly on history, art, and hagiography. She regularly appears in Crisis magazine and is a columnist for the diocesan paper of Norwich, Connecticut. Sandra has spoken at religious and academic conferences, appeared on EWTN, and given numerous radio interviews. Outside the Catholic sphere, she has also written, analyzed, and edited fiction. Sandra and her husband John have raised three children.